From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 346ECC47089 for ; Mon, 28 Nov 2022 20:14:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233424AbiK1UOr (ORCPT ); Mon, 28 Nov 2022 15:14:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59130 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232919AbiK1UOo (ORCPT ); Mon, 28 Nov 2022 15:14:44 -0500 Received: from fanzine2.igalia.com (fanzine2.igalia.com [213.97.179.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3733D27B04; Mon, 28 Nov 2022 12:14:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:From: References:Cc:To:Subject:MIME-Version:Date:Message-ID:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=08/2Un2YGzJddEhSx7wn1daARTMK5OvPSBMOvCMzINI=; b=LqtalMNyuU4+k5RTvZu/mPL98S o8GMW4mfahXsFshKuSALJ04tWQVB6919Y+DwyUVMW4FzDoaXGmaDae3SnWsCa34ugNaDwPfU0TA1g x0B+OWKB5hW+KCcUcZ6W/WRwSamd1hmwt4v85UybVzZe32GveqRH5m7WnWKksjNl+fA7muEAqKkVP mZPWh6QtnhxbOhVNgOAiUu08rVMyrWxtiPnr/2moN3KV4ZzBCNMn2IjTbf/RzRSXUzCWsX+/hJWql 6raDkSqrNL5q1eeKxgTEAFNJDIUufD985vTjoD4uryoikaPRCE26ZKQOHRPmCtCdRMjwNJiot8Xic 379Bak0w==; Received: from [177.34.169.227] (helo=[192.168.0.8]) by fanzine2.igalia.com with esmtpsa (Cipher TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_128_GCM:128) (Exim) id 1ozkWK-00AcJO-Rs; Mon, 28 Nov 2022 21:14:29 +0100 Message-ID: Date: Mon, 28 Nov 2022 17:14:21 -0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.5.0 Subject: Re: [PATCH v2 10/17] drm/tests: Add a test for DRM managed actions Content-Language: en-US To: Maxime Ripard , Daniel Vetter , Maarten Lankhorst , Maxime Ripard , David Airlie , Thomas Zimmermann Cc: David Gow , Greg Kroah-Hartman , Dave Stevenson , Javier Martinez Canillas , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linaro-mm-sig@lists.linaro.org, Brendan Higgins , linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com, linux-media@vger.kernel.org References: <20221123-rpi-kunit-tests-v2-0-efe5ed518b63@cerno.tech> <20221123-rpi-kunit-tests-v2-10-efe5ed518b63@cerno.tech> From: =?UTF-8?Q?Ma=c3=adra_Canal?= In-Reply-To: <20221123-rpi-kunit-tests-v2-10-efe5ed518b63@cerno.tech> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/28/22 11:53, Maxime Ripard wrote: > DRM-managed actions are supposed to be ran whenever the device is > released. Let's introduce a basic unit test to make sure it happens. > > Reviewed-by: Javier Martinez Canillas > Signed-off-by: Maxime Ripard Reviewed-by: Maíra Canal Best Regards, - Maíra Canal > --- > drivers/gpu/drm/tests/Makefile | 1 + > drivers/gpu/drm/tests/drm_managed_test.c | 71 ++++++++++++++++++++++++++++++++ > 2 files changed, 72 insertions(+) > > diff --git a/drivers/gpu/drm/tests/Makefile b/drivers/gpu/drm/tests/Makefile > index 94fe546d937d..486053052ba9 100644 > --- a/drivers/gpu/drm/tests/Makefile > +++ b/drivers/gpu/drm/tests/Makefile > @@ -10,6 +10,7 @@ obj-$(CONFIG_DRM_KUNIT_TEST) += \ > drm_format_test.o \ > drm_framebuffer_test.o \ > drm_kunit_helpers.o \ > + drm_managed_test.o \ > drm_mm_test.o \ > drm_modes_test.o \ > drm_plane_helper_test.o \ > diff --git a/drivers/gpu/drm/tests/drm_managed_test.c b/drivers/gpu/drm/tests/drm_managed_test.c > new file mode 100644 > index 000000000000..1652dca11d30 > --- /dev/null > +++ b/drivers/gpu/drm/tests/drm_managed_test.c > @@ -0,0 +1,71 @@ > +// SPDX-License-Identifier: GPL-2.0 > + > +#include > +#include > +#include > + > +#include > + > +#include > + > +/* Ought to be enough for anybody */ > +#define TEST_TIMEOUT_MS 100 > + > +struct managed_test_priv { > + bool action_done; > + wait_queue_head_t action_wq; > +}; > + > +static void drm_action(struct drm_device *drm, void *ptr) > +{ > + struct managed_test_priv *priv = ptr; > + > + priv->action_done = true; > + wake_up_interruptible(&priv->action_wq); > +} > + > +static void drm_test_managed_run_action(struct kunit *test) > +{ > + struct managed_test_priv *priv; > + struct drm_device *drm; > + struct device *dev; > + int ret; > + > + priv = kunit_kzalloc(test, sizeof(*priv), GFP_KERNEL); > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, priv); > + init_waitqueue_head(&priv->action_wq); > + > + dev = drm_kunit_helper_alloc_device(test); > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, dev); > + > + drm = __drm_kunit_helper_alloc_drm_device(test, dev, sizeof(*drm), 0, DRIVER_MODESET); > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, drm); > + > + ret = drmm_add_action_or_reset(drm, drm_action, priv); > + KUNIT_EXPECT_EQ(test, ret, 0); > + > + ret = drm_dev_register(drm, 0); > + KUNIT_ASSERT_EQ(test, ret, 0); > + > + drm_dev_unregister(drm); > + drm_kunit_helper_free_device(test, dev); > + > + ret = wait_event_interruptible_timeout(priv->action_wq, priv->action_done, > + msecs_to_jiffies(TEST_TIMEOUT_MS)); > + KUNIT_EXPECT_GT(test, ret, 0); > +} > + > +static struct kunit_case drm_managed_tests[] = { > + KUNIT_CASE(drm_test_managed_run_action), > + {} > +}; > + > +static struct kunit_suite drm_managed_test_suite = { > + .name = "drm-test-managed", > + .test_cases = drm_managed_tests > +}; > + > +kunit_test_suite(drm_managed_test_suite); > + > +MODULE_AUTHOR("Maxime Ripard "); > +MODULE_LICENSE("GPL"); >